diff --git a/Makefile b/Makefile
index 9c84efa2..62546d6a 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,8 @@ CFLAGS := -O -g \
 	-ansi -pedantic \
 	-Wall -Wextra \
 	-Wno-variadic-macros \
-	-Wno-maybe-uninitialized
+	-Wno-maybe-uninitialized \
+	-Wno-declaration-after-statement
 
 include mk/common.mk
 include mk/arm.mk
diff --git a/src/arm-codegen.c b/src/arm-codegen.c
index 3c470bf4..49019305 100644
--- a/src/arm-codegen.c
+++ b/src/arm-codegen.c
@@ -227,7 +227,6 @@ void code_generate()
          ph2_ir = ph2_ir->next) {
         int rd = ph2_ir->dest;
         int rn = ph2_ir->src0;
-        int rm = ph2_ir->src1;
 
         switch (ph2_ir->op) {
         case OP_load_constant:
diff --git a/src/cfront.c b/src/cfront.c
index 2211e67b..653577ed 100644
--- a/src/cfront.c
+++ b/src/cfront.c
@@ -3009,6 +3009,7 @@ basic_block_t *read_body_statement(block_t *parent, basic_block_t *bb)
     }
 
     error("Unrecognized statement token");
+    return NULL;
 }
 
 basic_block_t *read_code_block(func_t *func,
diff --git a/src/ssa.c b/src/ssa.c
index 22ec4506..20c18c1c 100644
--- a/src/ssa.c
+++ b/src/ssa.c
@@ -185,12 +185,11 @@ int dom_connect(basic_block_t *pred, basic_block_t *succ)
     if (succ->dom_prev)
         return 0;
 
-    int i, found = 0;
+    int i;
     for (i = 0; i < MAX_BB_DOM_SUCC; i++) {
-        if (pred->dom_next[i] == succ) {
-            found = 1;
+        if (pred->dom_next[i] == succ)
             return 0;
-        } else if (!pred->dom_next[i])
+        if (!pred->dom_next[i])
             break;
     }